Adrian Kaplan, WalletHub Credit Card Consultant
@kaplanlier11
The easiest way to apply for the Citi Diamond Preferred card is online, because you can do it any time, from anywhere. Simply visit the Citi Diamond Preferred web page and click "Apply Now." You can also apply by phone at (800) 505-1675, or in-person, at your local Citibank branch.
Here's how to apply for the Citi Diamond Preferred card:
- Online: Visit the Citi Diamond Preferred web page and click "Apply Now."
- By Phone: Call (800) 505-1675 and follow the voice prompts to get connected with a customer service representative who will guide you through the application process.
- In-person: Visit your local Citibank branch and let a representative know that you would like to apply.
Applying requires you to provide personal information such as your name, address, Social Security number (SSN), email and phone number. You will also have to provide some financial information like your annual income and monthly housing payments.
The Citi Diamond Preferred card requires good credit or better (a credit score of 700+) for good odds of approval. Applying triggers a hard inquiry on your credit report, which can temporarily lower your credit score. So if you don't know where you stand, you can always check your credit score for free, right here on WalletHub.

Citi® Diamond Preferred® Card
Kyle Rowland, Member
@kyle_rowland
Just make sure you've got your details at hand and that your score is top notch, as this one isn't that easy to get.
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